(a) Answer the followings: (i) What is a surface tension? (ii) “When a glass tube is immersed in a pool of mercury, the meniscus is depressed." Based on the above statement and Figure la, explain why the meniscus is depressed? Mercury Figure la
(a) Answer the followings: (i) What is a surface tension? (ii) “When a glass tube is immersed in a pool of mercury, the meniscus is depressed." Based on the above statement and Figure la, explain why the meniscus is depressed? Mercury Figure la
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
![(a)
Answer the followings:
(i) What is a surface tension?
(i) “When a glass tube is immersed in a pool of mercury, the meniscus is depressed."
Based on the above statement and Figure la, explain why the meniscus is
depressed?
Mercury
Figure la
(b)
Two immiscible layers of Newtonian fluid are dragged along by the motion of an upper
plate as shown in the Figure 1b. The bottom plate is stationary and the velocity profiles
for each fluid are linear. The top fluid (fluid 1), with a specific gravity of 0.8 and
kinematic viscosity of 1.0 × 10“ m²/s, puts a shear stress on the upper plate. The lower
fluid (fluid 2), with a specific gravity of 1.1 and kinematic viscosity of 1.3 × 10“ m²/s,
puts a shear stress on the bottom plate. Determine the ratio of the shear stress on the top
plate to the shear stress on the bottom plate.
3 m/s
0.010 m
fluid 1
fluid 2
0.036 m
2 m/s
Figure lb](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3e9007b5-5a64-4600-a303-9439e04b0f64%2F4175ca5f-8d87-45f8-971b-04c6a1d646ee%2Fztj5dli_processed.png&w=3840&q=75)
Transcribed Image Text:(a)
Answer the followings:
(i) What is a surface tension?
(i) “When a glass tube is immersed in a pool of mercury, the meniscus is depressed."
Based on the above statement and Figure la, explain why the meniscus is
depressed?
Mercury
Figure la
(b)
Two immiscible layers of Newtonian fluid are dragged along by the motion of an upper
plate as shown in the Figure 1b. The bottom plate is stationary and the velocity profiles
for each fluid are linear. The top fluid (fluid 1), with a specific gravity of 0.8 and
kinematic viscosity of 1.0 × 10“ m²/s, puts a shear stress on the upper plate. The lower
fluid (fluid 2), with a specific gravity of 1.1 and kinematic viscosity of 1.3 × 10“ m²/s,
puts a shear stress on the bottom plate. Determine the ratio of the shear stress on the top
plate to the shear stress on the bottom plate.
3 m/s
0.010 m
fluid 1
fluid 2
0.036 m
2 m/s
Figure lb
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